function table( filas, columnas ) {

var tabla="table";
var celda="td";
var fila="tr";
for ( i=1; i<=filas; i++ ) {
  print( "<"+fila+">");
  for ( j=1; j<=columnas; j++ ) {
    print ("<"+celda+">fila "+i+" columna "+i+"</"+celda+">");
  }
  print ("</"+fila+">\n");
 }
print ("</"+tabla+">");

}